require 'prime'

palindrome_arr = -> (array_size) do
  1.upto(Float::INFINITY).lazy.select do |x|

    x if x.to_s == x.to_s.reverse && Prime.prime?(x)
  end.first(array_size)
end

puts 'Enter array size'

array = gets.chomp!.to_i

print palindrome_arr.call(array)
print "\n"